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Related Concept Videos

Hemodialysis I: Introduction01:25

Hemodialysis I: Introduction

Hemodialysis (HD) is a medical treatment that artificially removes waste products, excess fluids, and toxins from the blood when the kidneys are no longer able to perform these functions effectively. In this process, blood is filtered through a semipermeable membrane, allowing for the selective removal of waste while preserving necessary components like blood cells and proteins. Hemodialysis is typically performed in patients with end-stage renal disease (ESRD) or severe kidney...
Dialysis01:27

Dialysis

Renal failure occurs when the kidneys lose their ability to filter waste products from the blood effectively. It can be classified into two types: acute renal failure (ARF) and chronic renal failure (CRF).
Acute kidney injury develops suddenly and can be caused by pre-renal causes (e.g., hypovolemia, shock), intrinsic renal causes (e.g., acute tubular necrosis), or post-renal causes (e.g., urinary obstruction). In contrast, chronic renal failure progresses gradually over time and is often...
Dialysis01:15

Dialysis

Dialysis is a diffusion-based purification process that separates analyte molecules from a complex matrix. This is accomplished by allowing molecules in the solution to pass through a semipermeable membrane into a liquid on the other side. The membrane is usually made of cellulose acetate or cellulose nitrate, and the second liquid must be miscible with the solution. Ions (e.g., chloride or sodium) or organic molecules (e.g., glucose) can pass through the membrane pores, which generally have...
Hemodialysis II: Procedure and Complications01:24

Hemodialysis II: Procedure and Complications

DialyzersA hemodialysis (HD) dialyzer is a plastic cartridge containing thousands of parallel hollow fibers, which serve as semipermeable membranes. These fibers are typically made from cellulose-based or other synthetic materials. During HD, blood is pumped into the top of the cartridge and distributed among these fibers. Simultaneously, dialysis fluid, known as dialysate, is introduced into the bottom of the cartridge, bathing the outside of the fibers. Across the semipermeable membrane,...
Hemodialysis III: Nursing Management01:25

Hemodialysis III: Nursing Management

The nursing management of a patient undergoing hemodialysis includes several critical steps, starting with a thorough assessment before the procedure.Before the Hemodialysis ProcedureFirst, record the patient's vital signs—blood pressure, heart rate, respiratory rate, and temperature—to establish a baseline. This baseline is essential for detecting conditions such as hypotension that could impact the patient's response to dialysis. Document the patient's pre-dialysis weight, as this measurement...
Peritoneal Dialysis III: Nursing Management01:25

Peritoneal Dialysis III: Nursing Management

Peritoneal dialysis, or PD, utilizes the peritoneal membrane as a filter to eliminate excess fluid and waste products. Effective nursing management is essential for ensuring patient safety, preventing complications, and promoting optimal function of the peritoneal dialysis process.Assessment and MonitoringNurses must thoroughly assess the patient before, during, and after each dialysis session. Regular monitoring includes vital signs, daily weight, fluid intake and output, and laboratory values...

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A Retrograde Implantation Approach for Peritoneal Dialysis Catheter Placement in Mice
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Dialysis access: an increasingly important clinical issue.

Maurizio Gallieni1, Alma Martini, Nicoletta Mezzina

  • 1Nephrology and Dialysis Unit, San Carlo Borromeo Hospital, Milan, Italy. gallieni.maurizio@sancarlo.mi.it

The International Journal of Artificial Organs
|December 29, 2009
PubMed
Summary

Optimizing dialysis access, including hemodialysis vascular access and peritoneal dialysis access, is crucial for end-stage renal disease patients. This review addresses key issues like catheter overuse and access surveillance to improve patient outcomes.

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Area of Science:

  • Nephrology
  • Vascular Surgery

Background:

  • Dialysis access is critical for end-stage renal disease (ESRD) patients.
  • Suboptimal access is linked to increased morbidity, mortality, and healthcare costs.

Purpose of the Study:

  • To review current challenges and best practices in dialysis access.
  • To address issues including peritoneal dialysis prevalence, central venous catheter use, steal syndrome, antiplatelet therapy, and access evaluation.

Main Methods:

  • Literature review of recent publications on dialysis access.
  • Analysis of problematic issues in hemodialysis and peritoneal dialysis access.

Main Results:

  • Peritoneal dialysis use is low in Western countries.
  • Central venous catheter use is excessively high in dialysis patients.
  • Key areas for improvement include pre-dialysis access planning, diagnosis/treatment of steal syndrome, antiplatelet therapy, and access surveillance.

Conclusions:

  • Improving dialysis access strategies is essential for better ESRD patient care.
  • Addressing current challenges can reduce associated morbidity, mortality, and costs.